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Security Advisories: GSA_kwCzR0hTQS0zM2M1LTlmeDUtZnZqbc4AA7Sf
Privilege Escalation in Kubernetes
The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.7 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.
Permalink: https://github.com/advisories/GHSA-33c5-9fx5-fvjmJSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS0zM2M1LTlmeDUtZnZqbc4AA7Sf
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: 7 months ago
Updated: 7 months ago
CVSS Score: 6.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Identifiers: GHSA-33c5-9fx5-fvjm, CVE-2020-8559
References:
- https://nvd.nist.gov/vuln/detail/CVE-2020-8559
- https://github.com/kubernetes/kubernetes/issues/92914
- https://github.com/kubernetes/kubernetes/pull/92941
- https://bugzilla.redhat.com/show_bug.cgi?id=1851422
- https://github.com/tdwyer/CVE-2020-8559
- https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJ
- https://groups.google.com/g/kubernetes-security-announce/c/JAIGG5yNROs
- https://security.netapp.com/advisory/ntap-20200810-0004
- https://github.com/advisories/GHSA-33c5-9fx5-fvjm
Blast Radius: 31.7
Affected Packages
go:k8s.io/kubernetes
Dependent packages: 2,717Dependent repositories: 20,364
Downloads:
Affected Version Ranges: >= 1.18.0, < 1.18.7, >= 1.17.0, < 1.17.9, < 1.16.13
Fixed in: 1.18.7, 1.17.9, 1.16.13
All affected versions: 0.4.1, 0.4.2, 0.4.3, 0.4.4, 0.5.1, 0.5.2, 0.5.3, 0.5.4, 0.5.5, 0.5.6, 0.6.0, 0.6.1, 0.6.2, 0.7.0, 0.7.1, 0.7.2, 0.7.3, 0.7.4, 0.8.0, 0.8.1, 0.8.2, 0.8.4, 0.9.0, 0.9.1, 0.9.2, 0.9.3, 0.10.0, 0.10.1, 0.11.0, 0.12.0, 0.12.1, 0.12.2, 0.13.0, 0.13.1, 0.13.2, 0.14.0, 0.14.1, 0.14.2, 0.15.0, 0.16.0, 0.16.1, 0.16.2, 0.17.0, 0.17.1, 0.18.0, 0.18.1, 0.18.2, 0.19.0, 0.19.1, 0.19.2, 0.19.3, 0.20.0, 0.20.1, 0.20.2, 0.21.0, 0.21.1, 0.21.2, 0.21.3, 0.21.4, 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6, 1.0.7, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.1.6, 1.1.7, 1.1.8, 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5, 1.2.6, 1.2.7, 1.3.0, 1.3.1, 1.3.2, 1.3.3, 1.3.4, 1.3.5, 1.3.6, 1.3.7, 1.3.8, 1.3.9, 1.3.10, 1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.4.8, 1.4.9, 1.4.12, 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5, 1.5.6, 1.5.7, 1.5.8, 1.6.0, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.6.5, 1.6.6, 1.6.7, 1.6.8, 1.6.9, 1.6.10, 1.6.11, 1.6.12, 1.6.13, 1.7.0, 1.7.1, 1.7.2, 1.7.3, 1.7.4, 1.7.5, 1.7.6, 1.7.7, 1.7.8, 1.7.9, 1.7.10, 1.7.11, 1.7.12, 1.7.13, 1.7.14, 1.7.15, 1.7.16, 1.8.0, 1.8.1, 1.8.2, 1.8.3, 1.8.4, 1.8.5, 1.8.6, 1.8.7, 1.8.8, 1.8.9, 1.8.10, 1.8.11, 1.8.12, 1.8.13, 1.8.14, 1.8.15, 1.9.0, 1.9.1, 1.9.2, 1.9.3, 1.9.4, 1.9.5, 1.9.6, 1.9.7, 1.9.8, 1.9.9, 1.9.10, 1.9.11, 1.10.0, 1.10.1, 1.10.2, 1.10.3, 1.10.4, 1.10.5, 1.10.6, 1.10.7, 1.10.8, 1.10.9, 1.10.10, 1.10.11, 1.10.12, 1.10.13, 1.11.0, 1.11.1, 1.11.2, 1.11.3, 1.11.4, 1.11.5, 1.11.6, 1.11.7, 1.11.8, 1.11.9, 1.11.10, 1.12.0, 1.12.1, 1.12.2, 1.12.3, 1.12.4, 1.12.5, 1.12.6, 1.12.7, 1.12.8, 1.12.9, 1.12.10, 1.13.0, 1.13.1, 1.13.2, 1.13.3, 1.13.4, 1.13.5, 1.13.6, 1.13.7, 1.13.8, 1.13.9, 1.13.10, 1.13.11, 1.13.12, 1.14.0, 1.14.1, 1.14.2, 1.14.3, 1.14.4, 1.14.5, 1.14.6, 1.14.7, 1.14.8, 1.14.9, 1.14.10, 1.15.0, 1.15.1, 1.15.2, 1.15.3, 1.15.4, 1.15.5, 1.15.6, 1.15.7, 1.15.8, 1.15.9, 1.15.10, 1.15.11, 1.15.12, 1.16.0, 1.16.1, 1.16.2, 1.16.3, 1.16.4, 1.16.5, 1.16.6, 1.16.7, 1.16.8, 1.16.9, 1.16.10, 1.16.11, 1.16.12, 1.17.0, 1.17.1, 1.17.2, 1.17.3, 1.17.4, 1.17.5, 1.17.6, 1.17.7, 1.17.8, 1.18.0, 1.18.1, 1.18.2, 1.18.3, 1.18.4, 1.18.5, 1.18.6
All unaffected versions: 1.16.13, 1.16.14, 1.16.15, 1.17.9, 1.17.10, 1.17.11, 1.17.12, 1.17.13, 1.17.14, 1.17.15, 1.17.16, 1.17.17, 1.18.7, 1.18.8, 1.18.9, 1.18.10, 1.18.11, 1.18.12, 1.18.13, 1.18.14, 1.18.15, 1.18.16, 1.18.17, 1.18.18, 1.18.19, 1.18.20, 1.19.0, 1.19.1, 1.19.2, 1.19.3, 1.19.4, 1.19.5, 1.19.6, 1.19.7, 1.19.8, 1.19.9, 1.19.10, 1.19.11, 1.19.12, 1.19.13, 1.19.14, 1.19.15, 1.19.16, 1.20.0, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6, 1.20.7, 1.20.8, 1.20.9, 1.20.10, 1.20.11, 1.20.12, 1.20.13, 1.20.14, 1.20.15, 1.21.0, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.11, 1.21.12, 1.21.13, 1.21.14, 1.22.0, 1.22.1, 1.22.2, 1.22.3, 1.22.4, 1.22.5, 1.22.6, 1.22.7, 1.22.8, 1.22.9, 1.22.10, 1.22.11, 1.22.12, 1.22.13, 1.22.14, 1.22.15, 1.22.16, 1.22.17, 1.23.0, 1.23.1, 1.23.2, 1.23.3, 1.23.4, 1.23.5, 1.23.6, 1.23.7, 1.23.8, 1.23.9, 1.23.10, 1.23.11, 1.23.12, 1.23.13, 1.23.14, 1.23.15, 1.23.16, 1.23.17, 1.24.0, 1.24.1, 1.24.2, 1.24.3, 1.24.4, 1.24.5, 1.24.6, 1.24.7, 1.24.8, 1.24.9, 1.24.10, 1.24.11, 1.24.12, 1.24.13, 1.24.14, 1.24.15, 1.24.16, 1.24.17, 1.25.0, 1.25.1, 1.25.2, 1.25.3, 1.25.4, 1.25.5, 1.25.6, 1.25.7, 1.25.8, 1.25.9, 1.25.10, 1.25.11, 1.25.12, 1.25.13, 1.25.14, 1.25.15, 1.25.16, 1.26.0, 1.26.1, 1.26.2, 1.26.3, 1.26.4, 1.26.5, 1.26.6, 1.26.7, 1.26.8, 1.26.9, 1.26.10, 1.26.11, 1.26.12, 1.26.13, 1.27.0, 1.27.1, 1.27.2, 1.27.3, 1.27.4, 1.27.5, 1.27.6, 1.27.7, 1.27.8, 1.27.9, 1.27.10, 1.28.0, 1.28.1, 1.28.2, 1.28.3, 1.28.4, 1.28.5, 1.28.6, 1.29.0, 1.29.1
go:k8s.io/apimachinery
Dependent packages: 24,875Dependent repositories: 46,460
Downloads:
Affected Version Ranges: >= 0.18.0, < 0.18.7, >= 0.17.0, < 0.17.9, < 0.16.13
Fixed in: 0.18.7, 0.17.9, 0.16.13
All affected versions: 0.15.7, 0.15.8, 0.15.9, 0.15.10, 0.15.11, 0.15.12, 0.16.4, 0.16.5, 0.16.6, 0.16.7, 0.16.8, 0.16.9, 0.16.10, 0.16.11, 0.16.12, 0.17.0, 0.17.1, 0.17.2, 0.17.3, 0.17.4, 0.17.5, 0.17.6, 0.17.7, 0.17.8, 0.18.0, 0.18.1, 0.18.2, 0.18.3, 0.18.4, 0.18.5, 0.18.6
All unaffected versions: 0.16.13, 0.16.14, 0.16.15, 0.17.9, 0.17.11, 0.17.12, 0.17.13, 0.17.14, 0.17.15, 0.17.16, 0.17.17, 0.18.8, 0.18.9, 0.18.10, 0.18.12, 0.18.13, 0.18.14, 0.18.15, 0.18.16, 0.18.17, 0.18.18, 0.18.19, 0.19.0, 0.19.1, 0.19.2, 0.19.3, 0.19.4, 0.19.5, 0.19.6, 0.19.7, 0.19.8, 0.19.9, 0.19.10, 0.19.11, 0.19.12, 0.19.13, 0.19.14, 0.19.15, 0.19.16, 0.20.0, 0.20.1, 0.20.2, 0.20.3, 0.20.4, 0.20.5, 0.20.6, 0.20.7, 0.20.8, 0.20.9, 0.20.10, 0.20.11, 0.20.12, 0.20.13, 0.20.14, 0.20.15, 0.21.0, 0.21.1, 0.21.2, 0.21.3, 0.21.4, 0.21.5, 0.21.6, 0.21.7, 0.21.8, 0.21.9, 0.21.10, 0.21.11, 0.21.12, 0.21.13, 0.21.14, 0.22.0, 0.22.1, 0.22.2, 0.22.3, 0.22.4, 0.22.5, 0.22.6, 0.22.7, 0.22.8, 0.22.9, 0.22.10, 0.22.11, 0.22.12, 0.22.13, 0.22.14, 0.22.15, 0.22.16, 0.22.17, 0.23.0, 0.23.1, 0.23.2, 0.23.3, 0.23.4, 0.23.5, 0.23.6, 0.23.7, 0.23.8, 0.23.9, 0.23.10, 0.23.11, 0.23.12, 0.23.13, 0.23.14, 0.23.15, 0.23.16, 0.23.17, 0.24.0, 0.24.1, 0.24.2, 0.24.3, 0.24.4, 0.24.5, 0.24.6, 0.24.7, 0.24.8, 0.24.9, 0.24.10, 0.24.11, 0.24.12, 0.24.13, 0.24.14, 0.24.15, 0.24.16, 0.24.17, 0.25.0, 0.25.1, 0.25.2, 0.25.3, 0.25.4, 0.25.5, 0.25.6, 0.25.7, 0.25.8, 0.25.9, 0.25.10, 0.25.11, 0.25.12, 0.25.13, 0.25.14, 0.25.15, 0.25.16, 0.26.0, 0.26.1, 0.26.2, 0.26.3, 0.26.4, 0.26.5, 0.26.6, 0.26.7, 0.26.8, 0.26.9, 0.26.10, 0.26.11, 0.26.12, 0.26.13, 0.26.14, 0.26.15, 0.27.0, 0.27.1, 0.27.2, 0.27.3, 0.27.4, 0.27.5, 0.27.6, 0.27.7, 0.27.8, 0.27.9, 0.27.10, 0.27.11, 0.27.12, 0.27.13, 0.27.14, 0.27.15, 0.27.16, 0.28.0, 0.28.1, 0.28.2, 0.28.3, 0.28.4, 0.28.5, 0.28.6, 0.28.7, 0.28.8, 0.28.9, 0.28.10, 0.28.11, 0.28.12, 0.28.13, 0.28.14, 0.28.15, 0.29.0, 0.29.1, 0.29.2, 0.29.3, 0.29.4, 0.29.5, 0.29.6, 0.29.7, 0.29.8, 0.29.9, 0.29.10, 0.30.0, 0.30.1, 0.30.2, 0.30.3, 0.30.4, 0.30.5, 0.30.6, 0.31.0, 0.31.1, 0.31.2